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GAS LEAKAGE
(If the gas pressure drops over 25 psi (2 bar) per day).
Exceeding 180°F (80°C) hydraulic operating temperature reduces seal life.
TO LOCATE GAS LEAK, APPLY SOAPY WATER (t23) AT THE POINTS INDICATED.
PROBLEM CAUSE REMEDY
(pr1) Leakage through vent plug. Seal in main body sleeve A. Disassemble hammer and replace
seals.
(pr9) Leakage from top of charge
valve.
O-ring in check valve.
Damaged check valve in charge
valve.
Replace.
Replace.
(pr10) Leakage between charge
valve and head.
O-ring in charge valve.
Loose charge valve.
Replace.
Use thread adhesive, tighten.
(pr11) Leakage between head and
main body.
O-ring in head. Disassemble hammer and replace
seals.
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